Guardian: Until this year, if you had said "Copenhagen" to the average scientist, they would probably have responded: "Bohr". Niels, of that name, was the father of the Copenhagen school of quantum mechanics – a fairy-tale land in which things could be in two places at the same time, things changed when you looked at them and cats could be both alive and dead. Now, the significance of "Copenhagen" might have changed for ever – like an electron that’s been peeked at. The headlines are screaming …